Assignee
KWANSEI GAKUIN EDUCATIONAL FOUND
JP·61 granted patents·31 pending applications·100 citations·filing 2014–2025
Top patents by PatentIndex Score
92 records- 0196US12098476B2Method for producing a SiC substrate via an etching step, growth step, and peeling stepKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Sep 24, 2024·5 cites·11 claims
- 0295US10374166B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2014·Granted Aug 6, 2019·52 cites·42 claims
- 0394US10689402B2Polycyclic aromatic compound and light emission layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2016·Granted Jun 23, 2020·7 cites·31 claims
- 0490US11932967B2SiC single crystal manufacturing method, SiC single crystal manufacturing device, and SiC single crystal waferKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Mar 19, 2024·2 cites·14 claims
- 0589US12247319B2Method for producing a SiC seed crystal for growth of a SiC ingot by heat-treating in a main container made of a SiC materialKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Mar 11, 2025·2 cites·17 claims
- 0689US10686141B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Jun 16, 2020·4 cites·18 claims
- 0787US11359307B2Vapour-phase epitaxial growth method, and method for producing substrate equipped with epitaxial layerKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Jun 14, 2022·4 cites·12 claims
- 0885US11972949B2SiC substrate manufacturing method and manufacturing device, and method for reducing work-affected layer in sic substrateKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Apr 30, 2024·2 cites·9 claims
- 0984US12473315B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2024·Granted Nov 18, 2025·0 cites·24 claims
- 1084US11723263B2Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Aug 8, 2023·4 cites·9 claims
- 1184US10680186B2Polycyclic aromatic compound and light emitting layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2016·Granted Jun 9, 2020·4 cites·16 claims
- 1283US11136341B2Polycyclic aromatic compound and light emission layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Oct 5, 2021·1 cites·11 claims
- 1382US10811613B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Oct 20, 2020·3 cites·21 claims
- 1481US12320030B2Method of using sic containerKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2023·Granted Jun 3, 2025·0 cites·6 claims
- 1578US11711970B2Organic electroluminescent deviceKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Jul 25, 2023·1 cites·20 claims
- 1677US11539003B2Polycyclic aromatic amino compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Dec 27, 2022·1 cites·15 claims
- 1777US11248009B2Polycyclic aromatic compound, material for an organic device, organic electroluminescent element, display apparatus and lighting apparatusKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Granted Feb 15, 2022·1 cites·16 claims
- 1876US11877506B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Jan 16, 2024·1 cites·23 claims
- 1975US2024360158A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2023·Application pending·0 cites
- 2074US12325930B2Manufacturing device for SiC semiconductor substrateKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2022·Granted Jun 10, 2025·0 cites·11 claims
- 2174US11807656B2Polycyclic aromatic compound and light emission layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Granted Nov 7, 2023·0 cites·9 claims
- 2274US11637249B2Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Granted Apr 25, 2023·1 cites·26 claims
- 2374US11407774B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2017·Granted Aug 9, 2022·2 cites·22 claims
- 2472US11800785B2Material for organic device and organic electroluminescent device using the sameKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Granted Oct 24, 2023·1 cites·20 claims
- 2570US2020144513A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Application pending·0 cites
- 2670US2020144514A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Application pending·0 cites
- 2770US2020144515A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Application pending·0 cites
- 2869US12460315B2Method for manufacturing semiconductor substrates and method for suppressing introduction of displacement to growth layerKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Granted Nov 4, 2025·0 cites·19 claims
- 2967US12398038B2Manufacturing method of modified aluminum nitride raw material, modified aluminum nitride raw material, manufacturing method of aluminum nitride crystals, and downfall defect prevention methodKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Granted Aug 26, 2025·0 cites·4 claims
- 3067US10847342B2Reference sample with inclined support base, method for evaluating scanning electron microscope, and method for evaluating SiC substrateKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Nov 24, 2020·0 cites·5 claims
- 3166US10508361B2Method for manufacturing semiconductor waferKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2016·Granted Dec 17, 2019·1 cites·11 claims
- 3265US12571626B2Method for measuring etching amount, and measurement system thereforKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2022·Granted Mar 10, 2026·0 cites·6 claims
- 3365US2020091431A1Organic electroluminescent elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Application pending·0 cites
- 3463US11653565B2Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted May 16, 2023·0 cites·17 claims
- 3563US11637250B2Polycyclic aromatic compound and light emitting layer-forming compositionKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Apr 25, 2023·0 cites·6 claims
- 3662US9978597B2Method for treating the surface of a silicon-carbide substrate including a removal step in which a modified layer produced by polishing is removed by heating under Si vapor pressureKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2014·Granted May 22, 2018·1 cites·14 claims
- 3760US11952678B2Method for manufacturing etched SiC substrate and grown SiC substrate by material tranportation and method for epitaxial growth by material transportationKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Apr 9, 2024·0 cites·12 claims
- 3860US2026064967A1Program, slide analysis device, and slide analysis methodKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2025·Application pending·0 cites
- 3959US12575380B2Evaluation method for silicon carbide substratesKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Granted Mar 10, 2026·0 cites·10 claims
- 4059US12534825B2SiC epitaxial substrate manufacturing method and manufacturing device thereforKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Jan 27, 2026·0 cites·6 claims
- 4159US2025371991A1Question processing device, question processing method, and programKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2025·Application pending·0 cites
- 4258US2025068323A1Image processing apparatus, image processing method, and recording mediumKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2024·Application pending·0 cites
- 4357US12185625B2Organic electroluminescence element, display device, and lighting deviceKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2019·Granted Dec 31, 2024·0 cites·13 claims
- 4457US12065758B2Method for manufacturing a SiC substrate by simultaneously forming a growth layer on one surface and etching another surface of a SiC base substrateKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2020·Granted Aug 20, 2024·0 cites·9 claims
- 4557US2020190115A1Polycyclic aromatic compoundKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Application pending·0 cites
- 4656US12540416B2Method for manufacturing a semiconductor substrate and method for suppressing occurrence of cracks in a growth layerKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Granted Feb 3, 2026·0 cites·12 claims
- 4756US11081347B2Method for manufacturing silicon-carbide semiconductor elementKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2018·Granted Aug 3, 2021·0 cites·17 claims
- 4855US12509795B2Method for manufacturing aluminum nitride substrate, aluminum nitride substrate, and method for forming aluminum nitride layerKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Granted Dec 30, 2025·0 cites·18 claims
- 4955US12325936B2Aluminum nitride substrate manufacturing method, aluminum nitride substrate, and method of removing strain layer introduced into aluminum nitride substrate by laser processingKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Granted Jun 10, 2025·0 cites·3 claims
- 5055US12255073B2Silicon carbide substrate manufacturing method, silicon carbide substrate, and method of removing strain layer introduced into silicon carbide substrate by laser processingKWANSEI GAKUIN EDUCATIONAL FOUND·Filed 2021·Granted Mar 18, 2025·0 cites·8 claims
Showing the top 50 of 92 patent records by PatentIndex Score.
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